Technical Staff

John Grimsich

Staff Research Associate III

John oversees and maintains EPS labs, specialized equipment (SEM, XRF, XRD, etc.) and machine shops.

Charley Paffenbarger

Computer & Network Sysadmin

Charley is the linux systems administrator for the Seismological Lab and the Geophysics Computer Lab and helps EPS with networking, printers, web server support, and user support for research computing, including Windows and Mac systems.